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diff --git a/EDR-Freight-Priority-Flows-Portal.pdf b/EDR-Freight-Priority-Flows-Portal.pdf
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new file mode 100644
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diff --git a/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.spec.ts b/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.spec.ts
index a3103ca1c..bcc7fcfc3 100644
--- a/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.spec.ts
+++ b/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.spec.ts
@@ -86,17 +86,16 @@ describe("toEimsInvoice", () => {
     expect(doc.SellerDetails).toBe(seller);
   });
 
-  it("maps the buyer from the company row and leaves unmodelled fields null", () => {
+  it("maps the buyer from the company row and omits Id fields for a TIN-identified buyer", () => {
     const doc = toEimsInvoice(invoice(), seller, context());
 
+    // MoR rule 7004 rejects an explicit IdType/IdNumber null — the keys must be absent.
     expect(doc.BuyerDetails).toEqual({
       // Resolved by the registration service before the counter was reserved; the mapper copies.
       City: "31",
       Country: "70",
       Email: "buyer@abc.et",
       HouseNumber: "NEW",
-      IdNumber: null,
-      IdType: null,
       Tin: "0999930000",
       LegalName: "ABC Trading PLC",
       Phone: "0912345678",
diff --git a/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.ts b/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.ts
index c1ae4c514..0b9eb9e29 100644
--- a/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.ts
+++ b/apps/edr-freight-api/src/modules/billing/eims-invoice.mapper.ts
@@ -35,8 +35,9 @@ export interface EimsBuyerDetails {
   City: string | null;
   Email: string | null;
   HouseNumber: string | null;
-  IdNumber: string | null;
-  IdType: string | null;
+  /** Omitted entirely for a TIN-identified buyer — MoR rule 7004 rejects an explicit null. */
+  IdNumber?: string;
+  IdType?: string;
   Tin: string;
   LegalName: string;
   Phone: string | null;
@@ -410,8 +411,8 @@ export function toEimsInvoice(
       City: context.buyerGeo.City,
       Email: company.email ?? null,
       HouseNumber: company.houseNo ?? null,
-      IdNumber: context.buyerIdNumber ?? null,
-      IdType: context.buyerIdType ?? null,
+      ...(context.buyerIdNumber != null ? { IdNumber: context.buyerIdNumber } : {}),
+      ...(context.buyerIdType != null ? { IdType: context.buyerIdType } : {}),
       Tin: company.tin,
       LegalName: company.name,
       Phone: company.phone ?? null,
diff --git a/apps/edr-freight-api/src/modules/eims/dto/register-sales-receipt.dto.ts b/apps/edr-freight-api/src/modules/eims/dto/register-sales-receipt.dto.ts
index 70681f814..1d3efdf60 100644
--- a/apps/edr-freight-api/src/modules/eims/dto/register-sales-receipt.dto.ts
+++ b/apps/edr-freight-api/src/modules/eims/dto/register-sales-receipt.dto.ts
@@ -1,4 +1,4 @@
-import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import { ApiPropertyOptional } from "@nestjs/swagger";
 import { IsIn, IsNumber, IsOptional, IsString, Length } from "class-validator";
 
 import { EIMS_MODE_OF_PAYMENT, EimsModeOfPayment } from "../eims-receipt.types";
@@ -9,9 +9,15 @@ import { EIMS_MODE_OF_PAYMENT, EimsModeOfPayment } from "../eims-receipt.types";
  * guessed (payment method, collector, provider references — none of it is modelled on `Invoice`).
  */
 export class RegisterSalesReceiptDto {
-  @ApiProperty({ enum: EIMS_MODE_OF_PAYMENT, description: "MoR's confirmed ModeOfPayment enum." })
+  @ApiPropertyOptional({
+    enum: EIMS_MODE_OF_PAYMENT,
+    description:
+      "MoR's confirmed ModeOfPayment enum. Optional when the invoice's recorded payment method " +
+      "maps unambiguously (CASH, CHEQUE, CPO, CARD, BANK_TRANSFER); otherwise required.",
+  })
+  @IsOptional()
   @IsIn(EIMS_MODE_OF_PAYMENT)
-  modeOfPayment!: EimsModeOfPayment;
+  modeOfPayment?: EimsModeOfPayment;
 
   @ApiPropertyOptional({ description: 'Defaults to "Payment received".' })
   @IsOptional()
diff --git a/apps/edr-freight-api/src/modules/eims/eims-receipt.service.spec.ts b/apps/edr-freight-api/src/modules/eims/eims-receipt.service.spec.ts
index 93f50e827..55a38480b 100644
--- a/apps/edr-freight-api/src/modules/eims/eims-receipt.service.spec.ts
+++ b/apps/edr-freight-api/src/modules/eims/eims-receipt.service.spec.ts
@@ -116,6 +116,47 @@ describe("EimsReceiptService.registerSalesReceipt", () => {
     expect(receipt.qr).toBe("iVBORw0KGgo...");
   });
 
+  it("derives mode/date/voucher/amount from the recorded manual payment", async () => {
+    const db = new FakeDb([
+      invoiceRow({
+        payments: [
+          { amount: 4000, method: "CASH", reference: "CRV-000123", paidAt: "2026-08-20T09:00:00.000Z", metadata: null },
+        ],
+      } as never),
+    ]);
+    const postBearer = jest.fn().mockResolvedValue(okResponse());
+
+    await build(db, postBearer).registerSalesReceipt(INVOICE_ID, {} as never);
+
+    const request = postBearer.mock.calls[0][1];
+    expect(request.TransactionDetails.ModeOfPayment).toBe("CASH");
+    expect(request.ManualReceiptNumber).toBe("CRV-000123");
+    expect(request.ReceiptDate).toBe("2026-08-20T09:00:00.000Z");
+    expect(request.CollectedAmount).toBe(4000);
+  });
+
+  it("puts a gateway reference in TransactionNumber, never ManualReceiptNumber, and demands an explicit mode", async () => {
+    const db = new FakeDb([
+      invoiceRow({
+        payments: [
+          { amount: 10000, method: "GATEWAY", reference: "txn-9f8e7d", paidAt: "2026-08-21T10:00:00.000Z", metadata: null },
+        ],
+      } as never),
+    ]);
+    const postBearer = jest.fn().mockResolvedValue(okResponse());
+    const service = build(db, postBearer);
+
+    // GATEWAY says nothing about the channel — deriving would guess a tax field.
+    await expect(service.registerSalesReceipt(INVOICE_ID, {} as never)).rejects.toThrow(
+      BadRequestException,
+    );
+
+    await service.registerSalesReceipt(INVOICE_ID, { modeOfPayment: "Card" } as never);
+    const request = postBearer.mock.calls[0][1];
+    expect(request.TransactionDetails.TransactionNumber).toBe("txn-9f8e7d");
+    expect(request.ManualReceiptNumber).not.toBe("txn-9f8e7d");
+  });
+
   it("defaults PaymentCoverage to FULL when the invoice balance is 0, PARTIAL otherwise", async () => {
     const db = new FakeDb([invoiceRow({ balanceAmount: 500 })]);
     const postBearer = jest.fn().mockResolvedValue(okResponse());
diff --git a/apps/edr-freight-api/src/modules/eims/eims-receipt.service.ts b/apps/edr-freight-api/src/modules/eims/eims-receipt.service.ts
index 2bdb6cbe2..f2de2937c 100644
--- a/apps/edr-freight-api/src/modules/eims/eims-receipt.service.ts
+++ b/apps/edr-freight-api/src/modules/eims/eims-receipt.service.ts
@@ -17,6 +17,8 @@ import { EimsReceipt, EimsReceiptKind, EimsReceiptStatus } from "./entities/eims
 import { RegisterSalesReceiptDto } from "./dto/register-sales-receipt.dto";
 import { RegisterWithholdingReceiptDto } from "./dto/register-withholding-receipt.dto";
 import {
+  EIMS_MODE_OF_PAYMENT,
+  EimsModeOfPayment,
   EimsReceiptResponse,
   EimsSalesReceiptRequest,
   EimsWithholdReceiptRequest,
@@ -41,8 +43,11 @@ const DETERMINISTIC_KINDS = new Set(["SCHEMA_VALIDATION", "RULE_VALIDATION", "AU
  * double-submission guard the way `/v1/cancel` does ("IRN already Canceled."), so the same caution
  * applies as an unacknowledged registration: a human must check the MoR portal first.
  *
- * Several request fields have no confirmed source in this codebase (payment method, collector,
- * withholding rate/amount) and are never guessed — see the two DTOs.
+ * Sales receipts derive what the invoice's payment ledger actually records — amount, date,
+ * finance's voucher number (ManualReceiptNumber), gateway transaction id, and the payment mode
+ * where the ledger method maps unambiguously to MoR's enum. Fields with no recorded source
+ * (collector, withholding rate/amount, mobile-money modes) are still asked of the caller, never
+ * guessed — see the two DTOs.
  */
 @Injectable()
 export class EimsReceiptService {
@@ -68,7 +73,26 @@ export class EimsReceiptService {
 
     const session = await this.auth.getSessionContext();
     const receiptNumber = this.generateReceiptNumber(invoice);
-    const collectedAmount = dto.collectedAmount ?? Number(invoice.paidAmount);
+
+    // The newest ledger entry is the payment this receipt vouches for. A gateway settlement's
+    // `reference` is the provider transaction id; a manual settlement's `reference` is finance's
+    // own voucher number (CRV) — that one belongs in ManualReceiptNumber so the registered
+    // receipt matches finance's books.
+    const lastPayment = invoice.payments?.length
+      ? invoice.payments[invoice.payments.length - 1]
+      : null;
+    const isGateway = (lastPayment?.method ?? "").toUpperCase() === "GATEWAY";
+    const modeOfPayment = dto.modeOfPayment ?? deriveModeOfPayment(lastPayment?.method);
+    if (!modeOfPayment) {
+      throw new BadRequestException({
+        code: "EIMS_MODE_OF_PAYMENT_REQUIRED",
+        message:
+          `Recorded payment method "${lastPayment?.method ?? "none"}" has no unambiguous MoR ` +
+          `ModeOfPayment — pass modeOfPayment (one of ${EIMS_MODE_OF_PAYMENT.join(", ")}).`,
+      });
+    }
+    const collectedAmount =
+      dto.collectedAmount ?? (lastPayment ? lastPayment.amount : Number(invoice.paidAmount));
     const balance = Number(invoice.balanceAmount);
 
     const request: EimsSalesReceiptRequest = {
@@ -77,9 +101,9 @@ export class EimsReceiptService {
       Reason: dto.reason ?? "Payment received",
       // ISO-8601 UTC — the collection's saved example uses a "+03:00" offset instead; no schema
       // error for this field was ever observed to confirm which form MoR actually requires.
-      ReceiptDate: new Date().toISOString(),
+      ReceiptDate: lastPayment?.paidAt ?? new Date().toISOString(),
       ReceiptCounter: String(Date.now()),
-      ManualReceiptNumber: receiptNumber,
+      ManualReceiptNumber: (!isGateway && lastPayment?.reference) || receiptNumber,
       SourceSystemType: session.systemType,
       SourceSystemNumber: session.systemNumber,
       ReceiptCurrency: currency,
@@ -97,7 +121,7 @@ export class EimsReceiptService {
         },
       ],
       TransactionDetails: {
-        ModeOfPayment: dto.modeOfPayment,
+        ModeOfPayment: modeOfPayment,
         ChequeNumber: dto.chequeNumber ?? null,
         CPONumber: dto.cpoNumber ?? null,
         DocumentNumber: dto.documentNumber ?? null,
@@ -105,7 +129,7 @@ export class EimsReceiptService {
         PaymentServiceProvider: dto.paymentServiceProvider ?? null,
         OtherPaymentServiceProviderName: dto.otherPaymentServiceProviderName ?? null,
         AccountNumber: dto.accountNumber ?? null,
-        TransactionNumber: dto.transactionNumber ?? null,
+        TransactionNumber: dto.transactionNumber ?? (isGateway ? (lastPayment?.reference ?? null) : null),
       },
     };
 
@@ -286,3 +310,17 @@ export class EimsReceiptService {
     return `REC-${invoice.invoiceNumber}-${Date.now()}`;
   }
 }
+
+/**
+ * Recorded ledger method → MoR ModeOfPayment, only where the mapping is unambiguous. Mobile-money
+ * methods (TELEBIRR, EBIRR, …) have no MoR enum slot, and "GATEWAY" says nothing about the real
+ * channel — those return undefined and the caller must supply modeOfPayment explicitly. Guessing
+ * a tax field is worse than asking.
+ */
+function deriveModeOfPayment(method: string | null | undefined): EimsModeOfPayment | undefined {
+  if (!method) return undefined;
+  const normalized = method.toUpperCase().replace(/-/g, "_");
+  const direct = EIMS_MODE_OF_PAYMENT.find((m) => m.toUpperCase().replace(/ /g, "_") === normalized);
+  if (direct) return direct;
+  return normalized === "BANK_TRANSFER" ? "Local Bank Transfer" : undefined;
+}
diff --git a/apps/edr-freight-api/src/modules/train-scheduling/booking-batch.service.ts b/apps/edr-freight-api/src/modules/train-scheduling/booking-batch.service.ts
index 8a348e625..625ccfda7 100644
--- a/apps/edr-freight-api/src/modules/train-scheduling/booking-batch.service.ts
+++ b/apps/edr-freight-api/src/modules/train-scheduling/booking-batch.service.ts
@@ -571,6 +571,12 @@ export class BookingBatchService implements OnModuleInit {
       relations: { company: true },
     });
     if (!booking) return;
+    // A dead booking keeps payment_status = 'PAID' (it was paid before it died),
+    // so every rescue path below would happily re-place and re-allocate it —
+    // that is how a cancelled consolidation-lapse booking came back onto its
+    // train 30s after being cancelled. Never resurrect a dead booking.
+    if (["CANCELLED", "EXPIRED", "REJECTED", "COMPLETED"].includes(booking.status))
+      return;
     if (!booking.trainScheduleId) {
       // A paid booking with no train is money taken and nothing boarding. The
       // hold was expired before the payment landed (webhook lag beat the